0 1 2 3 Sun 21 Jul 1968 Fri 26 Jul 1968 Wed 31 Jul 1968 Mon 05 Aug 1968 Sat 10 Aug 1968 Thu 15 Aug 1968 Tue 20 Aug 1968 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All